SIZE2             893 3rdparty/libwebp/enc/picture.c       const int off_uv = (y * pic->uv_stride + x) * SIZE2;
SIZE2             902 3rdparty/libwebp/enc/picture.c         flatten(pic->u + off_uv, values[1], pic->uv_stride, SIZE2);
SIZE2             903 3rdparty/libwebp/enc/picture.c         flatten(pic->v + off_uv, values[2], pic->uv_stride, SIZE2);